- Added --display option for 1/4 sized preview window using autovideosink
- Added --camera-id and --device-id options for camera selection
- Added UDP control commands: SET_CAMERA_ID, GET_CAMERA_ID, SET_DEVICE_ID, GET_DEVICE_ID
- Updated GStreamer idsueyesrc element to support device-id property
- device-id uses IS_USE_DEVICE_ID flag for system enumeration
- camera-id continues to use user-definable ID (0 for first found)
- Updated STATUS command to include camera_id and device_id
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